diff options
| author | Kaushal M <kaushal@gluster.com> | 2011-09-14 09:50:45 +0530 |
|---|---|---|
| committer | Vijay Bellur <vijay@gluster.com> | 2011-09-29 09:39:50 -0700 |
| commit | ce8a569e9f18cfff2f2befe259c2022d9b37538f (patch) | |
| tree | a5afc3ceed7a36509dca452feab1566a1896afd0 /xlators/performance/quick-read | |
| parent | f3a6752cc455676d6e1f946b513636d991825da8 (diff) | |
performance/io-cache,quick-read: increase cache-size limit
Does the following:
1. Increases cache-size limit from 6GB to 32GB.
2. Prevents 'volume set'from failing when cache-size is set over the
limit. Just issues a warning.
3. Performs check on cache-size by comparing with total system memory
available in init () and reconfigure () methods.
Change-Id: I7dd4d8c53051b89a293696abf1ee8dc237e39a20
BUG: 3495
Reviewed-on: http://review.gluster.com/409
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Amar Tumballi <amar@gluster.com>
Reviewed-by: Vijay Bellur <vijay@gluster.com>
Diffstat (limited to 'xlators/performance/quick-read')
| -rw-r--r-- | xlators/performance/quick-read/src/quick-read.c | 58 |
1 files changed, 52 insertions, 6 deletions
diff --git a/xlators/performance/quick-read/src/quick-read.c b/xlators/performance/quick-read/src/quick-read.c index b5a6161d27e..287ce5afc25 100644 --- a/xlators/performance/quick-read/src/quick-read.c +++ b/xlators/performance/quick-read/src/quick-read.c @@ -3401,14 +3401,49 @@ mem_acct_init (xlator_t *this) return ret; } +gf_boolean_t +check_cache_size_ok (xlator_t *this, int64_t cache_size) +{ + int ret = _gf_true; + uint64_t total_mem = 0; + uint64_t max_cache_size = 0; + volume_option_t *opt = NULL; + + GF_ASSERT (this); + opt = xlator_volume_option_get (this, "cache-size"); + if (!opt) { + ret = _gf_false; + gf_log (this->name, GF_LOG_ERROR, + "could not get cache-size option"); + goto out; + } + + total_mem = get_mem_size (); + if (-1 == total_mem) + max_cache_size = opt->max; + else + max_cache_size = total_mem; + + gf_log (this->name, GF_LOG_INFO, "Max cache size is %"PRIu64, + max_cache_size); + if (cache_size > max_cache_size) { + ret = _gf_false; + gf_log (this->name, GF_LOG_ERROR, "Cache size %"PRIu64 + " is greater than the max size of %"PRIu64, + cache_size, max_cache_size); + goto out; + } +out: + return ret; +} int reconfigure (xlator_t *this, dict_t *options) { - int32_t ret = -1; - qr_private_t *priv = NULL; - qr_conf_t *conf = NULL; - + int32_t ret = -1; + qr_private_t *priv = NULL; + qr_conf_t *conf = NULL; + uint64_t cache_size_new = 0; GF_VALIDATE_OR_GOTO ("quick-read", this, out); GF_VALIDATE_OR_GOTO (this->name, this->private, out); GF_VALIDATE_OR_GOTO (this->name, options, out); @@ -3423,7 +3458,14 @@ reconfigure (xlator_t *this, dict_t *options) GF_OPTION_RECONF ("cache-timeout", conf->cache_timeout, options, int32, out); - GF_OPTION_RECONF ("cache-size", conf->cache_size, options, size, out); + GF_OPTION_RECONF ("cache-size", cache_size_new, options, size, out); + if (!check_cache_size_ok (this, cache_size_new)) { + ret = -1; + gf_log (this->name, GF_LOG_ERROR, + "Not reconfiguring cache-size"); + goto out; + } + conf->cache_size = cache_size_new; ret = 0; out: @@ -3566,6 +3608,10 @@ init (xlator_t *this) GF_OPTION_INIT ("cache-timeout", conf->cache_timeout, int32, out); GF_OPTION_INIT ("cache-size", conf->cache_size, size, out); + if (!check_cache_size_ok (this, conf->cache_size)) { + ret = -1; + goto out; + } INIT_LIST_HEAD (&conf->priority_list); conf->max_pri = 1; @@ -3648,7 +3694,7 @@ struct volume_options options[] = { { .key = {"cache-size"}, .type = GF_OPTION_TYPE_SIZET, .min = 0, - .max = 6 * GF_UNIT_GB, + .max = 32 * GF_UNIT_GB, .default_value = "128MB", .description = "Size of the read cache." }, |